*,
*:after,
*::before {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

body  {
	background: #FFF;
	overflow-y: scroll;
}

.container {
	padding: 80px;
}

.bt-menu {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 0;
	border-width: 0px;
	border-style: solid;
	border-color: #023a70;
	background-color: rgba(0,0,0,0);
	-webkit-backface-visibility: hidden;
	-webkit-transition: border-width 0.3s, background-color 0.3s, height 0s 0.3s;
	transition: border-width 0.3s, background-color 0.3s, height 0s 0.3s;
        
}

.bt-menu.bt-menu-open {
	height: 100%;
	border-width: 30px 30px 30px 90px;
	background-color: rgba(0,0,0,0.3);
	-webkit-transition: border-width 0.3s, background-color 0.3s;
	transition: border-width 0.3s, background-color 0.3s;
}

.bt-overlay {
	position: absolute;
	width: 100%;
}

.bt-menu-open .bt-overlay {
	height: 100%;
}

.bt-menu-trigger {
	position: fixed;
	top: 15px;
	left: 20px;
	display: block;
	width: 50px;
	height: 50px;
	cursor: pointer;
}

.bt-menu-trigger span {
	position: absolute;
	top: 50%;
	left: 0;
	display: block;
	width: 100%;
	height: 4px;
	margin-top: -2px;
	background-color: #006;
	font-size: 0px;
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
	-webkit-transition: background-color 0.3s;
	transition: background-color 0.3s;
}

.bt-menu-open .bt-menu-trigger span {
	background-color: transparent;
}

.bt-menu-trigger span:before,
.bt-menu-trigger span:after {
	position: absolute;
	left: 0;
	width: 100%;
	height: 100%;
	background: #006;
	content: '';
	-webkit-transition: -webkit-transform 0.3s;
	transition: transform 0.3s;
}

.bt-menu-trigger span:before {
	-webkit-transform: translateY(-250%);
	transform: translateY(-250%);
}

.bt-menu-trigger span:after {
	-webkit-transform: translateY(250%);
	transform: translateY(250%);
}

.bt-menu-open .bt-menu-trigger span:before {
	-webkit-transform: translateY(0) rotate(45deg);
	transform: translateY(0) rotate(45deg);
}

.bt-menu-open .bt-menu-trigger span:after {
	-webkit-transform: translateY(0) rotate(-45deg);
	transform: translateY(0) rotate(-45deg);
}

.bt-menu ul {
	position: fixed;
	top: 75px;
	left: 0;
	margin: 0;
	padding: 0;
	width: 90px;
	list-style: none;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
}

.bt-menu ul li,
.bt-menu ul li a {
	display: block;
	width: 100%;
	text-align: center;
}

.bt-menu ul li {
	padding: 16px 0;
	opacity: 0;
	visibility: hidden;
	-webkit-transition: -webkit-transform 0.3s, opacity 0.2s, visibility 0s 0.3s;
	transition: transform 0.3s, opacity 0.2s, visibility 0s 0.3s;
}

.bt-menu ul li:first-child { 
	-webkit-transform: translate3d(-100%,200%,0);
	transform: translate3d(-100%,200%,0);
}

.bt-menu ul li:nth-child(2) { 
	-webkit-transform: translate3d(-100%,100%,0);
	transform: translate3d(-100%,100%,0);
}

.bt-menu ul li:nth-child(3) { 
	-webkit-transform: translate3d(-100%,0,0);
	transform: translate3d(-100%,0,0);
}

.bt-menu ul li:nth-child(4) { 
	-webkit-transform: translate3d(-100%,-100%,0);
	transform: translate3d(-100%,-100%,0);
}

.bt-menu ul li:nth-child(5) { 
	-webkit-transform: translate3d(-100%,-200%,0);
	transform: translate3d(-100%,-200%,0);
}

.bt-menu.bt-menu-open ul li {
	visibility: visible;
	opacity: 1;
	-webkit-transition: -webkit-transform 0.3s, opacity 0.3s 0.1s;
	transition: transform 0.3s, opacity 0.3s;
	-webkit-transform: translate3d(0,0,0);
	transform: translate3d(0,0,0);
}

.bt-menu ul li a {
	display: block;
	outline: none;
	color: transparent;
	text-decoration: none;
	font-size: 0px;
}

.bt-menu ul li a:before {
	color: #FFFFFF;
	font-size: 34px;
	-webkit-transition: color 0.2s;
	transition: color 0.2s;
}

.bt-menu ul li a:hover:before,
.bt-menu ul li a:focus:before  {
	color: #06F;
}

@media screen and (max-height: 31.125em) {
	.bt-menu ul li a:before {
		font-size: 32px;
	}
}
div#bt-menu {
    width: 50px;
    height: 140px;
    border: 1px solid black;
}
body.mousescroll {
    overflow: hidden;
}
body.mousescroll:hover {
    overflow-y: scroll;
}
ul {
    list-style-type: none;
}
.slimScrollDiv { border: 1px solid #ccc; margin:10px; }